998739336 has 128 divisors (see below), whose sum is σ = 2972309760. Its totient is φ = 273715200.

The previous prime is 998739311. The next prime is 998739347. The reversal of 998739336 is 633937899.

998739336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×998739336² = 1994960522547441792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418980 + ... + 421356.

It is an arithmetic number, because the mean of its divisors is an integer number (23221170).

Almost surely, 2^998739336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998739336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486154880).

998739336 is an abundant number, since it is smaller than the sum of its proper divisors (1973570424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998739336 is a wasteful number, since it uses less digits than its factorization.

998739336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2491 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 57.

The square root of 998739336 is about 31602.8374675440. The cubic root of 998739336 is about 999.5796019569.

The spelling of 998739336 in words is "nine hundred ninety-eight million, seven hundred thirty-nine thousand, three hundred thirty-six".